P1850 — Transmission Transfer Case Differential Lock-Up Feedback Switch Short Circuit To Ground
What it means
P1850 is an OBD-II diagnostic trouble code: Transmission Transfer Case Differential Lock-Up Feedback Switch Short Circuit To Ground.
Typical fix
Confirm the code with an OBD-II scanner, then inspect the component or circuit named above. Consult a vehicle-specific service manual for the full diagnostic and repair procedure.